Seamless Casing

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Seamless Casing

Fastube seamless casing achieves great anti-collapsingcapacity as the casing blank is manufactured by advancedAccu-Roll precision rolling machine. The use of ourpatented jigs and fixtures such as pipe end inner and outer support device,toolbar strengthening device also helps improve pipe clamping rigidity, reduceclamping distortion and eliminate cutting vibration, contributing to betterthread quality.

Applications
Fastube seamless casing is widely used in oilfield exploitation and gas transportationapplications. It is assembled and inserted into a recently drilled section of aborehole and held into place with cement, which can prevent wellbore from separating stratum and ensure drilling fluid to continue drilling deeper,thus facilitating the drilling process.

By application, casing can be divided into several types, for example
1. Surface casing: It is installed with a casinghead installed on the top to hang and support subsequent casing at each zone. Surfacecasing is designed to isolate freshwater zones so that they will not becontaminated by drilling fluid.
2. Intermediate casing: It is to separate different zones that have differentpressures, so as to avoid potential for a blowout.
3. Production casing: It is used to protect production zone, and provide tunnelfor transporting oil and gas.

Technical Specifications

Spec.		Outside diameter	Wall thickness		Type of end finish
Ⅰ	Ⅱ	mm	inch	mm	Steel grade
Ⅰ	Ⅱ	mm	inch	mm	H40	J55 K55	M65	L80 C95	N80 1,Q FT80T FT80TT	C90 T95 FT90T(TT) FT95T(TT)	P110 FT110T FT110TT
4-1/2	9.50	114.30	0.205	5.21	PS	PS	PS	-	-	-	-
4-1/2	10.50	114.30	0.224	5.69	-	PSB	PSB	-	-	-	-
4-1/2	11.60	114.30	0.250	6.35	-	PSLB	PLB	PLB	PLB	PLB	PLB
4-1/2	13.50	114.30	0.290	7.37	-	-	PLB	PLB	PLB	PLB	PLB
4-1/2	15.10	114.30	0.337	8.56	-	-	-	-	-	-	PLB
5	11.50	127.00	0.220	5.59	-	PS	PS	-	-	-	-
5	13.00	127.00	0.253	6.43	-	PSLB	PSLB	-	-	-	-
5	15.00	127.00	0.296	7.52	-	PSLBE	PLB	PLBE	PLBE	PLBE	-
5	18.00	127.00	0.362	9.19	-	-	PLB	PLBE	PLBE	PLBE	PLBE
5	21.40	127.00	0.437	11.10	-	-	PLB	PLB	PLB	PLB	PLB
5	23.20	127.00	0.478	12.14	-	-	-	PLB	PLB	PLB	PLB
5	24.10	127.00	0.500	12.70	-	-	-	PLB	PLB	PLB	PLB
5-1/2	14.00	139.70	0.244	6.20	PS	PS	PS	-	-	-	-
5-1/2	15.50	139.70	0.275	6.98	-	PSLBE	PSLB	-	-	-	-
5-1/2	17.00	139.70	0.304	7.72	-	PSLBE	PLB	PLBE	PLBE	PLBE	PLBE
5-1/2	20.00	139.70	0.361	9.17	-	-	PLB	PLBE	PLBE	PLBE	PLBE
5-1/2	23.00	139.70	0.415	10.54	-	-	PLB	PLBE	PLBE	PLBE	PLBE
5-1/2	26.80	139.70	0.500	12.70	-	-	-	-	-	P	-
5-1/2	29.70	139.70	0.562	14.27	-	-	-	-	-	P	-
5-1/2	32.60	139.70	0.625	15.88	-	-	-	-	-	P	-
5-1/2	35.30	139.70	0.687	17.45	-	-	-	-	-	P	-
5-1/2	38.00	139.70	0.750	19.05	-	-	-	-	-	P	-
5-1/2	40.50	139.70	0.812	20.62	-	-	-	-	-	P	-
5-1/2	43.10	139.70	0.875	22.22	-	-	-	-	-	P	-

Material

25Mn2,30Mn2,37Mn5,34Mn6,25Mn2V,33Mn2V,(25～32)CrMo, (26～29) CrMo44 etc.

Fastube is a China seamless casing manufacturer and supplier. We offer seamless casing, and shockabsorbing casing pipe, cooler pipe, Our high qualityproducts are offered at competitive prices. Fastube is located in China, and the full chain of manufacturing hotformed welded steel pipe, electric resistance welded pipe, can be completed in China, even inone city. Lower manufacturing cost saves your purchasing cost. The more detailsof each product are shown on the page with description.

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